scripted-diff: Remove redundant sync_all and sync_blocks

The sync calls are redundant after a call to generate, because generate
already syncs itself.

-BEGIN VERIFY SCRIPT-
perl -0777 -pi -e 's/(generate[^\n]*\)[^\n]*)(\n|\s)+self.sync_(all|blocks)\([^\)]*\)\n/\1\n/g' $(git grep -l generate ./test)
-END VERIFY SCRIPT-

test/functional/p2p_permissions.py

@@ -94,7 +94,6 @@ class P2PPermissionsTests(BitcoinTestFramework):
 
     def check_tx_relay(self):
         block_op_true = self.nodes[0].getblock(self.generatetoaddress(self.nodes[0], 100, ADDRESS_BCRT1_P2WSH_OP_TRUE)[0])
-        self.sync_all()
 
         self.log.debug("Create a connection from a forcerelay peer that rebroadcasts raw txs")
         # A test framework p2p connection is needed to send the raw transaction directly. If a full node was used, it could only